Home / 21,617.47-32,426.20-9,764.71

Finding the Fourth Proportional to 21,617.47, 32,426.20 and 9,764.71

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Solution

The fourth proportional to 21,617.47, 32,426.20 and 9,764.71 is: 14,647.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,617.47 : 32,426.20 = 9,764.71 : x
  2. Step 2: Convert to fraction form
    21,617.47/32,426.20 = 9,764.71/x
  3. Step 3: Cross multiply
    21,617.47x = 32,426.20 × 9,764.71
  4. Step 4: Simplify right side
    21,617.47x = 316,632,466.15
  5. Step 5: Solve for x
    x = 316,632,466.15/21,617.47
  6. Step 6: Final answer
    x = 14,647.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.